.php_cs.php

<?php
return PhpCsFixer\Config::create()
    ->setRules([
        '@PSR2'                       => true,
        'linebreak_after_opening_tag' => true,
        'ordered_imports'             => true,
        'array_syntax'                => ['syntax' => 'short'],
    ])
    ->setFinder(
        PhpCsFixer\Finder::create()
            ->name('*.php')
            ->in(__DIR__ . '/src')
            ->notName('*Spec.php')
            ->notName('*Integration.php')
    );